// KOD PRO OTEVRENI NOVEHO OKNA

function openWindow()
{
window.open("","obr",'toolbar=0,location=0,scrollbars=0,width=300,height=300,resizable=1,top=20,left=20');
}

// KOD ZARADIT DO OBLIBENYCH

   var bookmarkurl="http://stranska-jaskova.gringo.cz/"
   var bookmarktitle="Stránská + Jašková"

   function addbookmark(){
    if (document.all)
    window.external.AddFavorite(bookmarkurl,bookmarktitle)}


// KOD PRO PREMENU OBRAZKU

var scriptsOn = false;

if (((navigator.appName == "Netscape") 
    && (parseInt(navigator.appVersion) >= 3)) ||
   ((navigator.appName == "Microsoft Internet Explorer") 
    && (parseInt(navigator.appVersion) >=4)))
   scriptsOn = true;

function RegisterImage(imgName, imgOn, imgOff)
{
    if (scriptsOn) {
        eval (imgName + "On = new Image()");
        eval (imgName + "On.src = \"" + imgOn + "\"");
        eval (imgName + "Off = new Image()");
        eval (imgName + "Off.src = \"" + imgOff + "\"");
    }
}

function ImageOver(imgName)
{
    if (scriptsOn)
        eval ("document." + imgName + ".src = " + imgName + "On.src");
}

function ImageOut(imgName)
{
    if (scriptsOn)
        eval ("document." + imgName + ".src = " + imgName + "Off.src");
}

RegisterImage ("nahoru", "nahoru_2.jpg", "nahoru.jpg");
RegisterImage ("oblibene", "oblibene_2.jpg", "oblibene.jpg");